Refs #654 -- API call to mark order as refunded

src/pretix/api/views/order.py

@@ -30,7 +30,7 @@ from pretix.base.services.invoices import (
 from pretix.base.services.mail import SendMailException
 from pretix.base.services.orders import (
     OrderError, cancel_order, extend_order, mark_order_expired,
-    mark_order_paid,
+    mark_order_paid, mark_order_refunded,
 )
 from pretix.base.services.tickets import (
     get_cachedticket_for_order, get_cachedticket_for_position,
@@ -193,7 +193,22 @@ class OrderViewSet(CreateModelMixin, viewsets.ReadOnlyModelViewSet):
         )
         return self.retrieve(request, [], **kwargs)
 
-    # TODO: Find a way to implement mark_refunded
+    @detail_route(methods=['POST'])
+    def mark_refunded(self, request, **kwargs):
+        order = self.get_object()
+
+        if order.status != Order.STATUS_PAID:
+            return Response(
+                {'detail': 'The order is not paid.'},
+                status=status.HTTP_400_BAD_REQUEST
+            )
+
+        mark_order_refunded(
+            order,
+            user=request.user if request.user.is_authenticated else None,
+            api_token=(request.auth if isinstance(request.auth, TeamAPIToken) else None),
+        )
+        return self.retrieve(request, [], **kwargs)
 
     @detail_route(methods=['POST'])
     def extend(self, request, **kwargs):

src/pretix/base/services/orders.py

@@ -214,7 +214,7 @@ def extend_order(order: Order, new_date: datetime, force: bool=False, user: User
 
 
 @transaction.atomic
-def mark_order_refunded(order, user=None):
+def mark_order_refunded(order, user=None, api_token=None):
     """
     Mark this order as refunded. This sets the payment status and returns the order object.
     :param order: The order to change
@@ -228,7 +228,7 @@ def mark_order_refunded(order, user=None):
         order.status = Order.STATUS_REFUNDED
         order.save()
 
-    order.log_action('pretix.event.order.refunded', user=user)
+    order.log_action('pretix.event.order.refunded', user=user, api_token=api_token)
     i = order.invoices.filter(is_cancellation=False).last()
     if i:
         generate_cancellation(i)